CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black

Name: CORSAIR - RMx Series RM850x Cybenetics Gold Fully Modular ATX Power Supply - Black
Brand: CORSAIR

Computers · sold by Best Buy · ★ 4.8 (401 reviews at Best Buy)

Watching for a drop

$139.99 at Best Buy; it usually sells for $142.36. It counts as a deal at $113.88 or less, $26.11 below today’s price. It has sold for as little as $99.99 at Amazon.

Now: $139.99
Usually: $142.36; based on Amazon's 90-day average
Deal at: $113.88; $26.11 to go

Black Friday 2025 at Amazon: $99.99

View at Best Buy ↗ Open in RestockR Deals Price checked Oct 8, 2026, 1:53 PM ET

Price history since Oct 8

$120$140 Usual $142.36Deal $113.88

Now $139.99 · lowest $139.99 (Oct 8) · highest $139.99 (Oct 8) since Oct 8.

Price changes (1)

Changed	Price	Stock
Oct 8, 2026, 1:53 AM ET	$139.99	In stock

Prices at every store

Best BuyLowest priceThis listing

checked Oct 8, 2026, 1:53 PM ET
$139.99 View at Best Buy ↗
Micro CenterLowest price

checked Oct 8, 2026, 1:45 PM ET
$139.99 View at Micro Center ↗
AmazonLowest price

Price as of Oct 8, 2026, 4:08 PM ET · usually $142.36 · lowest $99.99
$139.99 View at Amazon ↗
Newegg

checked Oct 8, 2026, 1:49 PM ET
$154.99 View at Newegg ↗

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CORSAIR RM850e (2025) Fully Modular Low-Noise ATX Power Supply with 12V-2x6 Cable – ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – White

View at Newegg ↗